Handheld smart oral irrigator



FIG. 1 is a perspective view for a handheld smart oral irrigator showing our new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines depict features of the handheld smart oral irrigator that form no part of the claimed design. 

CLAIM The ornamental design for a handheld smart oral irrigator, as shown and described. 